Size: ETRTO 42-622 (28x1.60 Inch) V-Guard Seal: Tube Weight: 495 g Pressure: 3.5-6.0 Bar (50-85 psi) EPI: 67 E-Bike: E-25 Schwalbe Marathon Supreme Tire - 28 x 1.60 (700 x 40), Clincher, Wire, Black, V-Guard, Addix DYNAMISM IN ITS PUREST FORM. DYNAMISM IN ITS PUREST FORM. Marathon Supreme provides maximum comfort and speed. With elegant, futuristic tread design perfectly suited for fast city and touring bikes. OneStar Compound is fast and extremely reliable. The V-Guard version is lightweight.